msvcrt: Don't forward memset to ntdll.

dlls/msvcrt/msvcrt.spec

@@ -1368,7 +1368,7 @@
 @ cdecl memcpy_s(ptr long ptr long)
 @ cdecl memmove(ptr ptr long) ntdll.memmove
 @ cdecl memmove_s(ptr long ptr long)
-@ cdecl memset(ptr long long) ntdll.memset
+@ cdecl memset(ptr long long) MSVCRT_memset
 @ cdecl mktime(ptr) MSVCRT_mktime
 @ cdecl modf(double ptr) MSVCRT_modf
 @ cdecl -arch=arm,x86_64 modff(float ptr) MSVCRT_modff

dlls/msvcrt/string.c

@@ -1567,6 +1567,14 @@ void * __cdecl MSVCRT_memcpy( void *dst, const void *src, size_t n )
 }
 
 /*********************************************************************
+ *		    memset (MSVCRT.@)
+ */
+void* __cdecl MSVCRT_memset(void *dst, int c, MSVCRT_size_t n)
+{
+    return memset(dst, c, n);
+}
+
+/*********************************************************************
  *                  _strnicmp_l   (MSVCRT.@)
  */
 int __cdecl MSVCRT__strnicmp_l(const char *s1, const char *s2,